/*
 * LogPriorStatistic.java
 *
 * Copyright (C) 2002-2006 Alexei Drummond and Andrew Rambaut
 *
 * This file is part of BEAST.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership and licensing.
 *
 * BEAST is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 *  BEAST is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with BEAST; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 */

package dr.inference.prior;

import dr.inference.model.Model;
import dr.inference.model.Statistic;

/**
 * This class provides a statistic for interrogating the prior probability of a model.
 *
 * @author Alexei Drummond
 *
 * @version $Id: LogPriorStatistic.java,v 1.3 2005/05/24 20:26:00 rambaut Exp $
 */
public class LogPriorStatistic extends Statistic.Abstract {

	public LogPriorStatistic(Prior prior, Model model) {
		this.prior = prior;
		this.model = model;
	}

	public String getStatisticName() { return "logPrior"; }

	public int getDimension() { return 1; }
	public double getStatisticValue(int dim) { return prior.getLogPrior(model); }

	private Prior prior;
	private Model model;
}
